This is known as "Enshittification", a well known phenomena on the internet at large. Also known as "platform decay".
https://en.wikipedia.org/wiki/Enshittification
https://en.wikipedia.org/wiki/Enshittification
It's not the least charm of a theory that it is refutable. The hundred-times-refuted theory of "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it - Friedrich Nietzsche